By Georg Eisner
It provides me specific excitement to jot down the foreword to this publication; this is often mostly considering the fact that i've got committed a considerable a part of my lifestyles to the increase ment of the equipment utilized in ophthalmic learn. not often has one in all my scholars taken the possibility of dealing systematically with the chances of those tools. Dr. Eisner is, despite the fact that, this kind of exceptions. First, he has considerably more desirable the indentation touch glass; secondly, he has, with untiring enthusiasm, made a scientific choice of the conventional and pathologic findings, which, with assistance from the indentation touch glass and the slit lamp, should be saw within the outermost outer edge of the fundus and the ciliary physique. He has in comparison them to findings got with mild magnification in post-mortem eyes and to histological sections. because of a lucky condition, W. Hess, who's either a superb draughts guy and a grasp of the unique exam strategy, used to be capable of reproduce the visible phenomena faithfully. The reader who attempts to interpret those illustrations spatially will detect that this was once usually tough. it's a procedure which calls for a undeniable attempt of imagi state of area, yet that is very lucrative. Dr. Eisner's monograph is an creation to a little-known department of biomicroscopy which broadens our technique of analysis and gives you extra fascinating elements for the long run. I want him well-earned success.
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Extra resources for Biomicroscopy of the Peripheral Fundus: An Atlas and Textbook
Pigmentation also may be seen via transillumination. The gradual disintegration of the pigment epithelium in the peripheral fundus, which begins in childhood, appears as a fine granulation or a tigroid reticular pattern. With advancing age it becomes less visible, for the overlying cystoid degeneration tends to obscure the view. The variations of the pigment epithelium pattern have no clinical significance. 1. Senile Choriatrophy (Paving-Stone Degeneration) After the age of forty, paving-stone lesions are not infrequently found in the preequatorial fundus, usually with bilateral symmetry and occurring mainly in the lower periphery.
Anterior to the ora serrata the pars plana of the ciliary body is very dark. The difference between the anterior and posterior pars plana is less prominent biomicroscopically than ophthalmoscopically or histologically. The contrast in colour is less pronounced under the optical conditions of slit-lamp microscopy, i. e. with a 22 small visual field and high magnification. On the other hand, the surface structure can thus be evaluated more easily. The posterior pars plana has a granular surface; the anterior pars plana is striated.
24 IV. Variations in the Periphery of the Fundus Development and involution differ in each individual, which explains why no periphery of the fundus is identical with another. Developmental variations are present in every eye in differing numbers, shapes and sizes, but most of them have no clinical significance. In the differential diagnosis of pathological conditions, however, a sound knowledge of these variants is indispensable. In the following chapters, the peripheral retina, the ciliary body and the vitreous base will first be presented separately.